# Distance from Lafontaine (CVH) to Kathmandu (KTM)

> 17,544 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,544 km / 10,901 mi / 9,473 nm
- **Estimated flight time**: 22h
- **Heading**: 110° (east southeast)
- **Return heading**: 237° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → Nepal
- **Intercontinental**: South America → Asia
- **Time difference**: +8.75h (When it's 08:00 in Lafontaine, it's 16:45 in Kathmandu)
- **Elevation difference**: 1,045 ft (KTM is lower than CVH)

## Airports

### [Caviahue Airport (CVH)](https://www.flightduration.online/airport/cvh-lafontaine-caviahue-airport/1ef266df-919d-6100-a683-06bb2780ed98)

- City: Lafontaine, Argentina
- ICAO: SAHE
- Timezone: America/Argentina/Salta
- Coordinates: -37.850000, -71.010000
- Elevation: 5,435 ft

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 08:00 in Lafontaine, it's 16:45 in Kathmandu.
With a 8.75-hour time difference, expect significant jet lag.

## Related

- [Caviahue Airport (CVH)](https://www.flightduration.online/airport/cvh-lafontaine-caviahue-airport/1ef266df-919d-6100-a683-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)